I have to take a leak.
The leaks by Chelsea Manning showed the secrets of the US military.
Word: "leak"
OPTIONS:
- different meanings
- the same meaning
different meanings

Air pollution.
A smell of chemicals in the air.
Word: "air"
OPTIONS:
- different meanings
- the same meaning
the same meaning

A mental case.
The musicians left their instrument cases backstage.
Word: "case"
OPTIONS:
- different meanings
- the same meaning
different meanings

We've been having a lot of rain lately.
The rains came late that year.
Word: "rain"
OPTIONS:
- different meanings
- the same meaning

the same meaning